* ClearSign Combustion - customer acceptance and turn over
to operations of previously announced refinery pilot test unit
with an undisclosed California refiner
Source text for Eikon:
Further company coverage:

WASHINGTON, Dec 9 Aetna Inc's chief
executive denied on Friday that its withdrawal from some
Obamacare exchanges was in retaliation for government efforts to
halt its merger with Humana Inc, as he sought to
convince a federal judge to approve the deal.

LOS ANGELES, Dec 9 President-elect Donald Trump
will remain an executive producer on the reality TV show
"Celebrity Apprentice," new host Arnold Schwarzenegger said on
Friday, defending the situation as similar to his own
transitions between politics and entertainment.